Halo 2.7um, 90A, AQ-C18 Back Catalog number: 942810-222 Manufacturer: Advanced Materials Technology Availability: In the manufacturer's stock Price on request - + Recommended 92812-506 HALO 90 Å Phenyl-Hexyl, 2.7 µm, 2.1 x 75mm Price on request 92814-404 HALO 90 Å ES-CN, 2.7 µm, 4.6 x 50mm Price on request 91812-608 HALO 90 Å C8, 2 µm, 2.1 x 100mm Price on request